Dirt Bike Engine
Explore our selection for dirt bike parts for adding horsepower or reliability to a dirt bike's engine. We feature engine parts from Wiseco, Vertex, and more common engine part manufacturers. Get new pistons and gasket kits for re-freshening engines to withstand any conditions you put your bike through!
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Dirt Bike Cams and Parts
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Dirt Bike Connecting Rods and Parts
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Dirt Bike Crankcases and Parts
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Dirt Bike Crankshafts and Parts
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Dirt Bike Cylinder Heads and Parts
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Dirt Bike Cylinders and Parts
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Dirt Bike Engine Bearings
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Dirt Bike Engine Covers
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Dirt Bike Engine Gaskets and Kits
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Dirt Bike Engine Rebuild Kits
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Dirt Bike Engine Seals - Orings and Kits
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Dirt Bike Engine Valves and Parts
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Dirt Bike Flywheel and Rod Assemblies
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Dirt Bike Fuel Filters
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Dirt Bike Miscellaneous Engine Parts
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Dirt Bike Oil Coolers
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Dirt Bike Oil Filters
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Dirt Bike Oil Lines
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Dirt Bike Oil Pumps
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Dirt Bike Piston and Ring Kits
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Dirt Bike Piston Rings Only
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Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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WISECO Piston Kit - Kawasaki 1100 - .050" WK1247
WISECO
$574.95Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1247- SKU:
- WK1247
- Weight:
- 3.81 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- +0,50 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 80.50 MM
- PISTON DIAMETER METRIC:
- 80.39 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 1083 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- KIT
$574.95 -
WISECO Piston Kit - Kawasaki 1100 - .040 WK1248
WISECO
$574.95Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1248- SKU:
- WK1248
- Weight:
- 4.06 LBS
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 81.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 1097 CC
- PISTON DIAMETER METRIC:
- 80.89 MM
- RIDING STYLE:
- WATERCRAFT
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
- UNITS:
- KIT
$574.95Qty in Cart: 0Quantity:Price:$574.95Subtotal: -
WISECO Piston Kit - Yamaha - 760 - Standard WK1290
WISECO
$396.96Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1290- SKU:
- WK1290
- Weight:
- 3.15 LBS
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 754 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 83.87 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 84.00 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
$396.96Qty in Cart: 0Quantity:Price:$396.96Subtotal: -
WISECO Piston Kit - Yamaha - 760 - .50mm WK1291
WISECO
$396.96Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1291- SKU:
- WK1291
- Weight:
- 3.20 LBS
$396.96Qty in Cart: 0Quantity:Price:$396.96Subtotal: -
WISECO Piston Kit - Yamaha - 1200 - Standard WK1312
WISECO
$594.95Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1312- SKU:
- WK1312
- Weight:
- 4.70 LBS
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 84.00 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 1131 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 83.87 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$594.95 -
WISECO Piston Kit - Yamaha - 1200 - .050" WK1313
WISECO
$594.95Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1313- SKU:
- WK1313
- Weight:
- 4.70 LBS
- BORE SIZE METRIC:
- 84.50 MM
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE:
- +0,50 MM
- PISTON DIAMETER METRIC:
- 84.37 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 1142 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$594.95 -
On Sale
WISECO Piston Kit - Yamaha - 1200 - 1 mm WK1314
WISECO
MSRP: $581.67Now: $385.65Was: $593.30Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1314- SKU:
- WK1314
- Weight:
- 4.70 LBS
- BORE SIZE METRIC:
- 85.00 MM
- DISPLACEMENT:
- 1156 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 84.87 MM
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
MSRP: $581.67Now: $385.65Was: $593.30 -
WISECO Piston Kit - Yamaha - 700 - Standard WK1317
WISECO
$377.36Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1317- SKU:
- WK1317
- Weight:
- 3.20 LBS
$377.36Qty in Cart: 0Quantity:Price:$377.36Subtotal: -
WISECO Piston Kit - Yamaha - 700 - .50mm WK1318
WISECO
$377.36Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1318- SKU:
- WK1318
- Weight:
- 3.25 LBS
$377.36Qty in Cart: 0Quantity:Price:$377.36Subtotal: -
WISECO Piston Kit - Yamaha - 700 - 1 mm WK1319
WISECO
$369.96Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1319- SKU:
- WK1319
- Weight:
- 3.00 LBS
$369.96Qty in Cart: 0Quantity:Price:$369.96Subtotal: -
WISECO Piston Kit - Yamaha - 1100 - Standard WK1329
WISECO
$624.95Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1329- SKU:
- WK1329
- Weight:
- 4.55 LBS
- PISTON DIAMETER METRIC:
- 80.90 MM
- PRODUCT NAME:
- REBUILD KIT
- DISPLACEMENT:
- 1051 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 81.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
- UNITS:
- KIT
$624.95 -
WISECO Piston Kit - Honda 40132M05750
WISECO
$154.95WISECO Piston Kit Honda 40132M05750Pistons come without gasket kit9103946- SKU:
- 9103946
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- BORE SIZE METRIC:
- 57.50 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 57.50 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
WISECO Piston Kit - Racer Elite RE907M05450
WISECO
$154.95WISECO Piston Kit Racer Elite RE907M05450The most advanced forged 2-stroke piston available provides premium performance and durability, 2000 Series alloy provides extreme strength for extreme conditions, ArmorPlating™ for protection from harmful...9105094- SKU:
- 9105094
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE SIZE METRIC:
- 54.50 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- PISTON MATERIAL:
- FORGED
$154.95 -
WISECO Piston Kit - Racer Elite RE927M05400
WISECO
$204.95WISECO Piston Kit Racer Elite RE927M05400The most advanced forged 2-stroke piston available provides premium performance and durability, 2000 Series alloy provides extreme strength for extreme conditions, ArmorPlating™ for protection from harmful...9105095- SKU:
- 9105095
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE SIZE METRIC:
- 54.00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- PISTON MATERIAL:
- FORGED
$204.95 -
WISECO Piston Kit - Racer Elite RE927M05800
WISECO
$204.95WISECO Piston Kit Racer Elite RE927M05800The most advanced forged 2-stroke piston available provides premium performance and durability, 2000 Series alloy provides extreme strength for extreme conditions, ArmorPlating™ for protection from harmful...9105096- SKU:
- 9105096
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE:
- +4,00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
- PISTON MATERIAL:
- FORGED
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- BORE - OVERSIZE METRIC:
- +4.00 MM
- BORE SIZE METRIC:
- 58.00 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
$204.95Qty in Cart: 0Quantity:Price:$204.95Subtotal: -
WISECO Piston Kit - Racer Elite RE901M04850
WISECO
$127.98WISECO Piston Kit Racer Elite RE901M04850The most advanced forged 2-stroke piston available provides premium performance and durability, 2000 Series alloy provides extreme strength for extreme conditions, ArmorPlating™ for protection from harmful...9105106- SKU:
- 9105106
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$127.98Qty in Cart: 0Quantity:Price:$127.98Subtotal: -
WISECO Piston Kit with Gaskets PK1137
WISECO
$209.95WISECO Piston Kit with Gaskets PK1137Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030290- SKU:
- 9030290
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 54.00 MM
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 123 CC
- PISTON DIAMETER METRIC:
- 53.96 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$209.95 -
WISECO Valve Kit SVKB2402
WISECO
$419.95WISECO Valve Kit SVKB2402Complete package with valves and springs for intake and exhaust, Matched steel valves and springs provide an engineered solution to your engine, OEM-quality valves manufactured by leading OEM suppliers, Precision valve springs...9263065- SKU:
- 9263065
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
$419.95 -
WISECO Piston Kit - Racer Elite RE908M05400
WISECO
$204.95WISECO Piston Kit Racer Elite RE908M05400The most advanced forged 2-stroke piston available provides premium performance and durability, 2000 Series alloy provides extreme strength for extreme conditions, ArmorPlating™ for protection from harmful...9105078- SKU:
- 9105078
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 54.00 MM
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
$204.95Qty in Cart: 0Quantity:Price:$204.95Subtotal: -
WISECO Piston Kit - 520SX/EXC 4731M09700
WISECO
$254.29WISECO Piston Kit 520SX/EXC 4731M09700Pistons come without gasket kit9100788- SKU:
- 9100788
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
$254.29Qty in Cart: 0Quantity:Price:$254.29Subtotal:
